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Redeemable Non-Controlling Interest (Details)
In Thousands, unless otherwise specified
9 Months Ended
Aug. 27, 2011
USD ($)
Aug. 27, 2011
EUR (€)
Aug. 28, 2010
USD ($)
Nov. 27, 2010
USD ($)
Redeemable Noncontrolling Interest [Line Items]        
Non-controlling interest ownership percentage 10.00% 10.00%    
Cash paid by minority owner $ 1,425 € 1,000 $ 0  
Redemption option minimum   3,500    
Current redemption value of the option   3,500    
Initial measurement of redeemable non-controlling interest 4,199 2,946    
Net income (loss) attributed to redeemable non-controlling interest 0      
Accretion adjustment to redemption value 0      
Foreign currency translation adjustment 0      
Balance of redeemable non-controlling interest $ 4,199     $ 0